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Astronomy Quotes by Carl Sagan

115 Astronomy quotes by Carl Sagan

All Astronomy quotes Carl Sagan’s page

A thin film of life on a rock drifting around a humdrum star captures Sagan’s view of our tiny place in the cosmos. He reminds us that every star could be a sun for someone, making us star‑stuff with a shared destiny. The perspective can feel humbling, yet it shows how the universe connects all of us.

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We are all made up of star stuff.

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Every star may be a sun to someone.

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We are all star stuff.

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We are star stuff harvesting sunlight.

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We are a way for the cosmos to know itself.

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Billions and billions.

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“La ausencia de pruebas no es prueba de ausencia.”

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The Cosmos is all that is or ever was or ever will be.

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Across the sea of space, the stars are other suns.

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The cosmos is all there is, all there ever was, and all there ever will be.

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Man is the matter of the cosmos, contemplating itself.

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The cosmos is within us. We are made of star stuff

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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.

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Stars are phoenixes, rising from their own ashes.

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A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun…

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“In the vastness of space and the immensity of time, it is my joy to share a planet and an epoch with…

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There is perhaps no better a demonstration of the folly of human conceits than this distant image of our tiny world.

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“Contemplated as one grand whole, astronomy is the most beautiful monument of the human mind; the noblest record of its intelligence.”

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“Across the sea of space. The stars are other suns. We have traveled this way before. And there is much to be…

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I set before you two ways: You can use your technology to destroy yourselves or to carry you to the planets and…

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If we long to believe that the stars rise and set for us, that we are the reason there is a Universe,…

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We are made of star-stuff. Our bodies are made of star-stuff. There are pieces of star within us all.

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Those with the courage to explore the weave and structure of the Cosmos, even where it differs profoundly from their wishes and…

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After the earth dies, some 5 billion years from now, after it's burned to a crisp, or even swallowed by the Sun,…

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We have begun to contemplate our origins: starstuff pondering the stars; organized assemblages of ten billion billion billion atoms considering the evolution…

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We are made of star stuff. For the most part, atoms heavier than hydrogen were created in the interiors of stars and…

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Those afraid of the universe as it really is, those who pretend to nonexistent knowledge and envision a Cosmos centered on human…

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“The great radio telescopes of the world are constructed in remote locations for the same reason Paul Gauguin sailed to Tahiti: For…

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I'd like the [Cosmos] series to be so visually stimulating that somebody who isn't even interested in the concepts will just watch…

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For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck…

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“The number of external galaxies beyond the Milky Way is at least in the thousands of millions and perhaps in the hundreds…

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Before we invented civilization our ancestors lived mainly in the open out under the sky. Before we devised artificial lights and atmospheric…

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“We inhabit a universe where atoms are made in the centers of stars; where each second a thousand suns are born; where…

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I went to the librarian and asked for a book about stars… And the answer was stunning. It was that the Sun…

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“The earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those…

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We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars…

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“They became upright and taught themselves the use of tools, domesticated other animals, plants and fire, and devised language. The ash of…

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Those afraid of the universe as it really is, those who pretend to nonexistent knowledge and envision a Cosmos centered on human…

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We are star stuff which has taken its destiny into its own hands.

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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.

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Other authors on Astronomy

More by Carl Sagan

It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it…

The prediction of nuclear winter is drawn not, of course, from any direct experience with the consequences of global nuclear war, but rather from…

The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it has no…

“Telepathy’ literally means to feel at a distance, just as ‘telephone’ is to hear at a distance and ‘television’ is to see at a…

“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and solitary lump…

Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies,…

In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!

“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion,…

Don't judge everyone else by your own limited experience.

“Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insight and knowledge, painfully…

We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make…

A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species and this…

Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no.

Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain.…

Every star may be a sun to someone.